﻿#region License
// 
//     MIT License
//
//     CoiniumServ - Crypto Currency Mining Pool Server Software
//     Copyright (C) 2013 - 2017, CoiniumServ Project
//     Hüseyin Uslu, shalafiraistlin at gmail dot com
//     https://github.com/bonesoul/CoiniumServ
// 
//     Permission is hereby granted, free of charge, to any person obtaining a copy
//     of this software and associated documentation files (the "Software"), to deal
//     in the Software without restriction, including without limitation the rights
//     to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//     copies of the Software, and to permit persons to whom the Software is
//     furnished to do so, subject to the following conditions:
//     
//     The above copyright notice and this permission notice shall be included in all
//     copies or substantial portions of the Software.
//     
//     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//     IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//     AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//     LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//     OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
//     SOFTWARE.
// 
#endregion

using System;

namespace CoiniumServ.Utils.Helpers
{
    public static class TimeHelpers
    {
        public static Int32 NowInUnixTimestamp()
        {
            return (Int32)(DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalSeconds;
        }

        public static int ToUnixTimestamp(this DateTime value)
        {
            return (int)Math.Truncate((value.ToUniversalTime().Subtract(new DateTime(1970, 1, 1))).TotalSeconds);
        }


        public static int UnixTimestamp(this DateTime value)
        {
            return (int)Math.Truncate((value.ToUniversalTime().Subtract(new DateTime(1970, 1, 1))).TotalSeconds);
        }

        public static DateTime UnixTimestampToDateTime(this int unixTimeStamp)
        {
            // Unix timestamp is seconds past epoch
            var dtDateTime = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
            dtDateTime = dtDateTime.AddSeconds(unixTimeStamp).ToUniversalTime();
            return dtDateTime;
        }
    }
}
